Symfony CHEAT SHEET

This Symfony Cheat Sheet is a non exhaustive list of main symfony basics that you can use or need.

phpweb

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#Getting Started

Installation

curl -sS https://get.symfony.com/cli/installer | bash

Doc Symfony Download

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Symfony CLI: Basic Commands

Command	Description
`symfony check:requirements`	Check system requirements for running Symfony
`symfony version`	Display the Symfony CLI version
`symfony help`	Display all available commands
`symfony help <cmd>`	Display help for a specific command
`symfony server:start`	Start server
`symfony server:stop`	Stop server
`symfony serve -d`	Run Symfony server in background

Creating a New Symfony Project

Command	Description
`symfony new <dir>`	Create a new Symfony project in `<dir>`
`symfony new my_project_directory --version="7.3.x" --webapp`	Create a new web application
`symfony new my_project_directory --version="7.3.x"`	Create a new API application
`composer create-project symfony/skeleton <dir>`	Create a new Symfony project using Composer

Doc Symfony creating app {.link-arrow}

Symfony Console Basic Usage

CMD	Description
`bin/console`	List all available commands
`bin/console <namespace>`	List all commands in a specific namespace or bundle
`bin/console <cmd>`	Run a specific command
`bin/console help <cmd>`	Show help for a specific command
`bin/console --env=<env>`	Run console in environment: dev, test, or prod
`bin/console cache:clear`	Clear the cache

Linting Commands

CMD	Description
`bin/console lint:container`	Check service arguments for type mismatches
`bin/console lint:twig <dir>`	Lint Twig templates for syntax errors
`bin/console lint:yaml <dir>`	Lint YAML files for syntax errors
`bin/console lint:xliff <dir>`	Lint XLIFF translation files

Debugging Commands

CMD	Description
`bin/console debug:asset-map`	Show all mapped assets
`bin/console debug:autowiring`	List all autowireable services
`bin/console debug:config <bundle>`	Dump configuration of a bundle
`bin/console debug:container`	List all public services
`bin/console debug:container <service>`	Get info about a specific service
`bin/console debug:container --env-vars`	Show environment variables in container
`bin/console debug:container --tags`	List tagged public services
`bin/console debug:container --tag=<t>`	List services with a specific tag
`bin/console debug:dotenv`	Display parsed dotenv values
`bin/console debug:dotenv <search>`	Show dotenv values matching a search
`bin/console debug:event-dispatcher`	List all event listeners
`bin/console debug:firewall <name>`	Show details of a firewall
`bin/console debug:form`	Show form type information
`bin/console debug:messenger`	List dispatchable messages
`bin/console debug:router`	List all registered routes
`bin/console debug:router <name>`	Get info about a specific route
`bin/console debug:translation <loc>`	Show messages for a locale

AssetMap Commands

CMD	Description
`bin/console asset-map:compile`	Compile assets for production
`bin/console importmap:require <pkg>`	Add an NPM package to the import map
`bin/console importmap:install`	Download all importmap packages
`bin/console importmap:update`	Update all importmap packages
`bin/console importmap:remove <pkg>`	Remove a package from import map
`bin/console importmap:outdated`	List outdated importmap packages
`bin/console importmap:audit`	Check dependencies for vulnerabilities

#ORM & Migration

Database Connection

# MySQL 
DATABASE_URL="mysql://username:[email protected]:3306/db_name?serverVersion=X.Y.Z&charset=utf8mb4"

# MariaDB 
DATABASE_URL="mysql://username:[email protected]:3307/db_name?serverVersion=X.Y.Z-MariaDB&charset=utf8mb4"

# PostgreSQL 
DATABASE_URL="postgresql://username:[email protected]:5432/db_name?serverVersion=X.Y.Z&charset=utf8"

username : user of DBMS
password : password of DBMS
127.0.0.1: 3306 MySQL 3307 MariaDB 5432 PostgreSQL
db_name : name of data base
serverVersion : to know server version SHOW GLOBAL VARIABLE LIKE %version% in your DBMS

Doctrine Commands

CMD	Description
`bin/console doctrine:database:create`or `php bin/console d:d:c`	Create the configured database
`bin/console doctrine:database:drop` or `php bin/console d:d:d`	Drop the configured database
`bin/console doctrine:mapping:info`	List mapped entities
`bin/console doctrine:schema:update --dump-sql`	Generate SQL to sync DB schema
`bin/console doctrine:schema:update --force`	Sync DB schema with mapping info
`bin/console doctrine:schema:validate`	Validate the mapping files
`bin/console doctrine:query:sql <sql cmd>`	Run a raw SQL query
`bin/console doctrine:query:dql <dql cmd>`	Run a DQL query
`bin/console doctrine:fixtures:load`	Load data fixtures into the database

You can run php bin/console doctrine:schema:drop --force && php bin/console doctrine:schema:update --force && php bin/console doctrine:fixtures:load -n to Load data fixtures & reset sequence to 0

Doc Symfony Database {.link-arrow}

Migration Commands

CMD	Description
`bin/console make:migration`	Generate a new migration based on schema changes
`bin/console doctrine:migration:generate`	Generate a new migration based on schema changes
`bin/console doctrine:migration:migrate` or `php bin/console d:m:m`	Execute pending migrations to update the database
`bin/console doctrine:migration:status`	Show status of migrations (pending, executed)
`bin/console doctrine:migration:diff`	Compare current schema with the database and generate migration SQL

#Symfony Maker

Maker-Bundle List

Command	Description
`bin/console list make`	List all make commands available
`make:auth`	Create a Guard authenticator of different flavors
`make:command`	Create a new console command class
`make:controller`	Create a new controller class
`make:crud`	Create CRUD for Doctrine entity class
`make:docker:database`	Add a database container to your compose.yaml file
`make:entity`	Create or update a Doctrine entity class, and optionally an API Platform resource
`make:fixtures`	Create a new class to load Doctrine fixtures
`make:form`	Create a new form class
`make:functional-test`	Create a new test class
`make:listener`	make:subscriber Creates a new event subscriber class or a new event listener class
`make:message`	Create a new message and handler
`make:messenger-middleware`	Create a new messenger middleware
`make:migration`	Create a new migration based on database changes
`make:registration-form`	Create a new registration form system
`make:reset-password`	Create controller, entity, and repositories for use with symfonycasts/reset-password-bundle
`make:schedule`	Create a scheduler component
`make:security:custom`	Create a custom security authenticator
`make:security:form-login`	Generate the code needed for the form_login authenticator
`make:serializer:encoder`	Create a new serializer encoder class
`make:serializer:normalizer`	Create a new serializer normalizer class
`make:stimulus-controller`	Create a new Stimulus controller
`make:subscriber`	Creates a new event subscriber class or a new event listener class
`make:test`	make:unit-test make:functional-test Create a new test class
`make:twig-component`	Create a Twig (or Live) component
`make:twig-extension`	Create a new Twig extension with its runtime class
`make:unit-test`	Create a new test class
`make:user`	Create a new security user class
`make:validator`	Create a new validator and constraint class
`make:voter`	Create a new security voter class
`make:webhook`	Create a new Webhook

Doc Symfony Maker Bundle {.link-arrow}

#Controller Basics

Route Attributes and Descriptions

use Symfony\Component\Routing\Attribute\Route;

Attribute	Description
`#[Route('/path')]`	Define a route for a controller method
`#[Route('/path', name: 'name')]`	Define a named route for a method
`#[Route('/path', methods: ['GET'])]`	Define allowed HTTP methods
`#[Route('/blog/{slug}')]`	Define a route with a parameter
`#[Route('/page/{page}', requirements: ['page' => '\d+'])]`	Define a route with a parameter constraint
`#[Route(path: ['en' => '/about-us', 'nl' => '/over-ons'], name: 'about')]`	Define localized routes

Doc Symfony Route Parameters {.link-arrow}

AbstractController Methods

Method	Description
`$this->render('template.html')`	Returns a Response with the rendered template
`$this->redirectToRoute('homepage')`	Returns a RedirectResponse to a named route
`$this->redirectToRoute('name', ['param' => 'value'])`	Returns a redirect to a route with parameters
`$this->redirectToRoute('name', [], 301)`	Returns a RedirectResponse with status code
`$this->redirect('http://example.com')`	Returns a RedirectResponse to an external URL
`$this->createNotFoundException($msg)`	Returns a NotFoundHttpException
`$this->createForm(FormType::class, $data)`	Creates a new Form instance based on the type

Form Methods

Method	Description
`$form->handleRequest($request)`	Handle a form submission
`$form->isSubmitted()`	Check if the form was submitted
`$form->isValid()`	Check if the form is valid

#Form Type : Doc Symfony Form types

Form Fields: Text Fields

Type	Description
`TextType`	A basic text input field
`TextareaType`	A multi-line textarea field
`EmailType`	An email field (`<input type="email">`)
`PasswordType`	A password field
`SearchType`	A search field
`UrlType`	A URL field (`<input type="url">`)
`TelType`	A tel (phone number) input field
`UuidType`	A UUID field

Form Fields: Numeric Fields

Type	Description
`IntegerType`	A number field for integers
`MoneyType`	A money field, with a specifiable currency
`NumberType`	A number field
`PercentType`	A number field for percentages
`RangeType`	A range input field (slider)

Form Fields: Choice Fields

Type	Description
`ChoiceType`	Field for selecting one or more options
`EnumType`	Choose from PHP enum cases
`EntityType`	Choose from a Doctrine entity
`CountryType`	Choose a country
`LanguageType`	Choose a language
`LocaleType`	Choose a locale
`TimezoneType`	Choose a timezone
`CurrencyType`	Choose a currency

Form Fields: Symfony UX Fields

Type	Description
`CropperType`	A Cropper.js image cropper field
`DropzoneType`	A Dropzone file upload field

Form Fields: Date and Time Fields

Type	Description
`DateType`	A date field
`DateIntervalType`	A date interval field
`DateTimeType`	A date and time field
`TimeType`	A time field
`BirthdayType`	A date field for birthdays
`WeekType`	Select a year and week

Form Fields: Other Fields

Type	Description
`CheckboxType`	A single checkbox field
`FileType`	A file upload field
`RadioType`	A radio button field
`HiddenType`	A hidden field

Form Fields: Field Groups

Type	Description
`CollectionType`	A group of fields that can be added or removed
`RepeatedType`	A field that is repeated (e.g., password confirmation)

#Validation Attributes and Descriptions : Doc Symfony Validation

General Constraints

Attribute	Description
`#[Assert\NotBlank]`	Value is not an empty string/array, false or null
`#[Assert\Blank]`	Value is an empty string or null
`#[Assert\NotNull]`	Value is not strictly equal to null
`#[Assert\IsNull]`	Value is exactly equal to null
`#[Assert\Type('string')]`	Value is of a specific type

Validation: Comparison Constraints

Attribute	Description
`#[Assert\<Not>EqualTo('Foo')]`	Value is (not) equal to another value
`#[Assert\<Not>IdenticalTo('Foo')]`	Value is (not) identical to another value
`#[Assert\LessThan<OrEqual>(5)]`	Value is less than (or equal to) another value
`#[Assert\GreaterThan<OrEqual>(5)]`	Value is greater than (or equal to) another value
`#[Assert\Range(min: 2, max: 10)]`	Number or DateTime object is within a range

Validation: String Constraints

Attribute	Description
`#[Assert\Length(2, 10)]`	String is between `<min>` and `<max>` characters long
`#[Assert\Email]`	String is a valid email address
`#[Assert\Url]`	String is a valid URL
`#[Assert\Hostname]`	String is a valid hostname
`#[Assert\Ip]`	String is a valid IP address
`#[Assert\NoSuspiciousCharacters]`	String does not contain spoofing characters
`#[Assert\Uuid]`	String is a valid UUID
`#[Assert\CssColor]`	String is a valid CSS color

Validation: Date and Time Constraints

Attribute	Description
`#[Assert\Date]`	Value is a valid date string in `Y-m-d` format
`#[Assert\DateTime]`	Value is a valid datetime in the specified format
`#[Assert\Time]`	Value is a valid time string in `H:i:s` format
`#[Assert\Timezone]`	Value is a valid timezone identifier

Validation: Password Constraints

Attribute	Description
`#[Assert\UserPassword]`	String is the authenticated user's password
`#[Assert\NotCompromisedPassword]`	Password is not found in any data breaches
`#[Assert\PasswordStrength]`	Password has sufficient entropy

Validation: Financial and Other Number Constraints

Attribute	Description
`#[Assert\Bic]`	Value is a valid Business Identifier Code (BIC)
`#[Assert\CardScheme]`	Value is a valid credit card number
`#[Assert\Currency]`	Value is a valid 3-letter ISO 4217 currency code
`#[Assert\Luhn]`	Value passes the Luhn algorithm
`#[Assert\Iban]`	Value is a valid IBAN
`#[Assert\Isbn]`	Value is a valid ISBN

Validation: File Constraints

Attribute	Description
`#[Assert\File]`	Value is a valid file path or File object
`#[Assert\Image]`	Same as File, but only accepts image MIME types

Validation: Number Constraints

Attribute	Description
`#[Assert\Positive<OrZero>]`	Value is positive (or zero)
`#[Assert\Negative<OrZero>]`	Value is negative (or zero)

Validation: Choice Constraints

Attribute	Description
`#[Assert\Choice(['A', 'B', 'C'])]`	Value is one of the specified choices
`#[Assert\Country]`	Value is a valid ISO 3166-1 country code
`#[Assert\Language]`	Value is a valid two-letter language code
`#[Assert\Locale]`	Value is a valid locale identifier